[Windows] EFI and Win7+Ubuntu

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http://ubuntuforums.org – I've done something stupid. When I first installed Ubuntu, things went mostly fine, the machine had Windows 7 installed already and I wanted to add Ubuntu. EFI made a bit of a mess of things, long story short I booted into a live session and used boot-repair to fix GRUB for me. This made GRUB list 4 Windows boot alternatives and the usual two Ubuntu options. Then I did something stupid. I managed to format the EFI partition. A live session boot-repair fixed the issue of booting Ubuntu, but, I can't boot Windows anymore. The GRUB menu has the usual Linux entries, and one Windows ent (Hardware)